Finding the Fourth Proportional to 799,721.74, 1,103,616.06 and 437,147.05
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Solution
The fourth proportional to 799,721.74, 1,103,616.06 and 437,147.05 is: 603,262.95
Step by Step Solution
- Step 1: Write the proportion equation
799,721.74 : 1,103,616.06 = 437,147.05 : x - Step 2: Convert to fraction form
799,721.74/1,103,616.06 = 437,147.05/x - Step 3: Cross multiply
799,721.74x = 1,103,616.06 × 437,147.05 - Step 4: Simplify right side
799,721.74x = 482,442,497,257.81 - Step 5: Solve for x
x = 482,442,497,257.81/799,721.74 - Step 6: Final answer
x = 603,262.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.